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Abstract

A complete methodology using matrix representations for describing light transmission and reflection at an interface between an isotropic medium with high refractive index and a uniaxial birefringent material where total internal reflection (TIR) could happen is described systematically. A new TIR-based liquid-crystal (LC) switch system is proposed and investigated in detail by using this analyzing method. The criteria of selection of critical parameters such as LC mixture, waveguide, and operation mode of the LC layer, etc., are discussed. Dependence of transmission on incident angle and dynamic characteristics under an electric field are given for different cell gaps. The results give detailed and useful guidance in the fabrication of the LC switch system.

References

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